Can I make calls while roaming? ookyo September 23, 2017 09:53 Updated Follow Yes, just make sure you've minimum RM10 credit in your ookyo wallet. For roaming rates, you can refer to the latest rates here. Remember to select 'Hotlink'. Related articles Can I use mobile data while roaming? What are your voice and SMS charges? Do you sell devices? 5 reasons why you should join ookyo! Is Unlimited Internet really unlimited? What apps can I pick?